49678493 has 2 divisors, whose sum is σ = 49678494. Its totient is φ = 49678492.

The previous prime is 49678481. The next prime is 49678501. The reversal of 49678493 is 39487694.

49678493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46485124 + 3193369 = 6818^2 + 1787^2 .

It is a cyclic number.

It is not a de Polignac number, because 49678493 - 2⁴ = 49678477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49678193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24839246 + 24839247.

It is an arithmetic number, because the mean of its divisors is an integer number (24839247).

Almost surely, 2^49678493 is an apocalyptic number.

It is an amenable number.

49678493 is a deficient number, since it is larger than the sum of its proper divisors (1).

49678493 is an equidigital number, since it uses as much as digits as its factorization.

49678493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The square root of 49678493 is about 7048.2971702391. The cubic root of 49678493 is about 367.6118233759.

The spelling of 49678493 in words is "forty-nine million, six hundred seventy-eight thousand, four hundred ninety-three".